Chimney Termination Cap with Integrated Drainage Tray
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Solution Overview
Problem
Existing chimney termination cap assemblies face challenges in effectively concealing attachment structures and managing precipitation, which can lead to leakage and ice buildup, affecting the integrity and performance of the chimney system.
Innovation Solution
A chimney termination cap assembly with a body having a perimeter sidewall and a lower region for mounting, featuring a tray system with drainage apertures to collect and drain precipitation, and an integrated slip-sleeve configuration for receiving the chimney flue or vent pipe, ensuring secure attachment and efficient drainage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a chimney termination cap assembly uses ornamental design to conceal attachment structures, then aesthetic appearance is improved, but the complexity of the assembly structure increases
Solution Approach 1:
The patent combines the attachment structures (flange, mounting brackets) with the ornamental body of the termination cap assembly. The flange is integrated into the lower portion of the body, and mounting brackets are incorporated as part of the overall structure, allowing the attachment mechanisms to be concealed within the ornamental design rather than being separate exposed components.
Solution Approach 2:
The termination cap assembly is divided into distinct functional segments (body, lid, tray, flange, mounting brackets) that can be manufactured separately and then assembled. This segmentation allows each component to be optimized for its specific function while contributing to the overall ornamental appearance when assembled.
2Device complexity
If a chimney termination cap assembly lacks a lower housing portion, then the structure is simplified, but precipitation management and leakage prevention are worsened
Solution Approach 1:
The patent extends the body of the termination cap assembly downward to include a lower housing portion that reaches toward the roof surface. This vertical extension creates a new dimensional space for housing attachment structures and for managing precipitation flow, allowing the system to maintain simplicity in horizontal dimensions while gaining functional capability in the vertical dimension.
3Reliability
If drainage apertures are added to the body or tray, then precipitation drainage is improved, but the structural integrity and sealing are worsened
Solution Approach 1:
The patent strategically positions drainage apertures in specific locations on the body and tray where they can effectively drain precipitation without compromising overall structural integrity. The apertures are placed in non-critical areas of the structure, and their size and distribution are optimized to provide adequate drainage while maintaining sufficient material between apertures to ensure structural strength and proper sealing.
Data Source
AI summary
A chimney termination cap is provided with a body having a perimeter sidewall with a lower region adapted to be mounted to a chimney. The body has an opening for venting the chimney. A lid is mounted to a top of the body. A tray is mounted within the body for collecting precipitation. One of the body and the tray includes a drainage aperture for draining the precipitation from the tray. In one embodiment, the chimney termination cap includes an integrated slip-sleeve configured to receive a chimney flue or vent pipe.